[Gluster-devel] Change Ied46657b: Add OCF compliant resource agents for glusterd and volumes

[John Mark Walker]

Florian -

Thanks for sharing this. It appears to be a much needed thing. Have you already submitted this for review? Please let us know if you need assistance.

-JM


----- Original Message -----
> Hi everyone,
> 
> let me share a few thoughts on something I discussed with some of you
> on IRC (johnmark and jdarcy, iirc) a while back, and only now got to
> fix up in a submittable shape. review.gluster.com/3043 has all the
> gory details.
> 
> What we talked about several weeks ago was that there was really no
> way to automatically recover glusterfsd daemons when they failed, and
> that upstart and systemd integration hadn't been tackled yet. Of
> course, as it turns out we have a distributed monitoring and
> auto-recovery facility in the Pacemaker cluster resource manager
> (ubiquitous on any platform except RHEL, and even that is set to
> change for RHEL 7). So I decided to whip up a couple of resource
> agents (RAs) to plug into Pacemaker, which I'm humbly submitting for
> upstream inclusion.
> 
> This would allow people to run GlusterFS services in a highly
> available fashion, and also make use of Pacemaker's dependency
> enforcement and monitoring facilities. It would make it easy, for
> example, for people to mount and monitor the availability of a
> filesystem that's being exported as a GlusterFS brick, and gracefully
> remove or recover the node in case its local I/O stack is acting up
> --
> so clients can continue to talk to a different replica that is still
> doing fine. It would also allow people to build inter-dependencies in
> Pacemaker clusters, integrate load balancing with ldirectord, manage
> IP addresses, and lots of other things.
> 
> All feedback is much appreciated.
> 
> Cheers,
> Florian
> 
> --
> Need help with High Availability?
> http://www.hastexo.com/now
> 
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